public List <PersistSchema> GetList(UInt64 processId, string schema)
{
try
{
using (var txRef = core.Transactions.Begin(processId))
{
PersistSchema schemaMeta = VirtualPathToMeta(txRef.Transaction, schema, LockOperation.Read);
if (schemaMeta == null || schemaMeta.Exists == false)
{
throw new DokdexSchemaDoesNotExistException(schema);
}
var list = new List <PersistSchema>();
var filePath = Path.Combine(schemaMeta.DiskPath, Constants.SchemaCatalogFile);
var namespaceCatalog = core.IO.GetJson <PersistSchemaCatalog>(txRef.Transaction, filePath, LockOperation.Read);
foreach (var item in namespaceCatalog.Collection)
{
list.Add(item);
}
txRef.Commit();
return(list);
}
}
catch (Exception ex)
{
core.Log.Write(String.Format("Failed to get namespace list for session {0}.", processId), ex);
throw;
}
}
public List <PersistSchema> GetChildrenMeta(Transaction transaction, PersistSchema node, LockOperation intendedOperation)
{
List <PersistSchema> metaList = new List <PersistSchema>();
string namespaceCatalogDiskPath = Path.Combine(node.DiskPath, Constants.SchemaCatalogFile);
if (core.IO.FileExists(transaction, namespaceCatalogDiskPath, intendedOperation))
{
var namespaceCatalog = core.IO.GetJson <PersistSchemaCatalog>(transaction, namespaceCatalogDiskPath, intendedOperation);
foreach (var catalogItem in namespaceCatalog.Collection)
{
metaList.Add(new PersistSchema()
{
DiskPath = node.DiskPath + "\\" + catalogItem.Name,
Exists = true,
Id = catalogItem.Id,
Name = catalogItem.Name,
VirtualPath = node.VirtualPath + ":" + catalogItem.Name
});
}
}
return(metaList);
}
public PersistSchema VirtualPathToMeta(Transaction transaction, string schemaPath, LockOperation intendedOperation)
{
try
{
schemaPath = schemaPath.Trim(new char[] { ':' }).Trim();
if (schemaPath == string.Empty)
{
return(RootSchemaMeta);
}
else
{
var segments = schemaPath.Split(':');
string schemaName = segments[segments.Count() - 1];
string namespaceDiskPath = Path.Combine(core.settings.DataRootPath, String.Join("\\", segments));
string parentSchemaDiskPath = Directory.GetParent(namespaceDiskPath).FullName;
string parentCatalogDiskPath = Path.Combine(parentSchemaDiskPath, Constants.SchemaCatalogFile);
if (core.IO.FileExists(transaction, parentCatalogDiskPath, intendedOperation) == false)
{
throw new DokdexInvalidSchemaException(string.Format("The schema [{0}] does not exist.", schemaPath));
}
var parentCatalog = core.IO.GetJson <PersistSchemaCatalog>(transaction,
Path.Combine(parentSchemaDiskPath, Constants.SchemaCatalogFile), intendedOperation);
var namespaceMeta = parentCatalog.GetByName(schemaName);
if (namespaceMeta != null)
{
namespaceMeta.Name = schemaName;
namespaceMeta.DiskPath = namespaceDiskPath;
namespaceMeta.VirtualPath = schemaPath;
namespaceMeta.Exists = true;
}
else
{
namespaceMeta = new PersistSchema()
{
Name = schemaName,
DiskPath = core.settings.DataRootPath + "\\" + schemaPath.Replace(':', '\\'),
VirtualPath = schemaPath,
Exists = false
};
}
transaction.LockDirectory(intendedOperation, namespaceMeta.DiskPath);
return(namespaceMeta);
}
}
catch (Exception ex)
{
core.Log.Write("Failed to translate virtual path to namespace meta.", ex);
throw;
}
}
public PersistSchema GetParentMeta(Transaction transaction, PersistSchema child, LockOperation intendedOperation)
{
try
{
if (child == RootSchemaMeta)
{
return(null);
}
var segments = child.VirtualPath.Split(':').ToList();
segments.RemoveAt(segments.Count - 1);
string parentNs = string.Join(":", segments);
return(VirtualPathToMeta(transaction, parentNs, intendedOperation));
}
catch (Exception ex)
{
core.Log.Write("Failed to get parent namespace meta.", ex);
throw;
}
}
public void Add(PersistSchema namespaceMeta)
{
this.Collection.Add(namespaceMeta);
}